The Garden Community for Garden Lovers

United Kingdom Gb

How can I stop Thrips eating my runner bean leaves



If you're certain its Thrips, then you need to spray with a pesticide which is approved for use on food plants and which treats for thrips. Not sure of any names of sprays though, you'd need to check the bottles for information.

22 Jul, 2011


Not too many of those in the UK, Bamboo. I would use spinosad--carefully, to avoid bees--but I don't think that that is approved there. I would double check the diagnosis, though, Pat. Thrips eat the skin off the young leaves before they expand, causing distortion, but not much loss of efficiency. Normally they aren't much of a problem unless they atack the young pods.

22 Jul, 2011


I've only ever seen thrips on peas, not on beans.

22 Jul, 2011

How do I say thanks?

Answer question


Not found an answer?